

Brass
Swagelok HC-3NBS4-HC Alloy C-276 severe service union bonnet needle valve with ball stem. Features 0.35 Cv, 1/4 in. tube fittings, and working pressures up to 10000 psig.

Swagelok HC-3NBS4-HC Alloy C-276 Severe Service Union Bonnet Needle Valve features a straight pattern and a ball stem. Needle valves with union-bonnet construction are available in a variety of materials, with working pressures up to 10000 psig (689 bar) and temperatures up to 1200°F (648°C).

| Specification | Value |
|---|---|
| Body Material | Alloy C-276 |
| Cleaning Process | Standard Cleaning and Packaging (SC-10) |
| Connection 1 Size | 1/4 in. |
| Connection 1 Type | Swagelok® Tube Fitting |
| Connection 2 Size | 1/4 in. |
| Connection 2 Type | Swagelok® Tube Fitting |
| CV Maximum | 0.35 |
| Flow Pattern | Straight (2-way) |
| Handle Style | Aluminum Bar |
| Max Temperature Pressure Rating | 1200°F @ 1545 PSIG /648°C @ 108 BAR |
| Minimum Temperature, °F (°C) | -65 (-53) |
| Orifice | .156 |
| Stem Tip Material | Cobalt Based Alloy |
| Stem Type | Ball stem |
WARNING
Do not mix/interchange Swagelok products or components not governed by industrial design standards, including Swagelok tube fitting end connections, with those of other manufacturers.
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